#FF4151#FF4151

#FF4151 is a light, highly saturated red. Relative luminance 0.256; OKLCH L 66.3% C 0.224 H 21.7°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#FF4151
RGB	rgb(255, 65, 81)
HSL	hsl(355, 100%, 63%)
HSV	hsv(355, 75%, 100%)
CMYK	cmyk(0%, 74.5%, 68.2%, 0%)
CIE-LAB	lab(57.70, 70.95, 35.69)
CIE-LCH	lch(57.70, 79.42, 26.70°)
OKLab	oklab(66.29% 0.2085 0.0828)
OKLCH	oklch(66.29% 0.224 21.7)
XYZ	xyz(44.6205, 25.6415, 10.3828)
Luminance	0.2564 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF4151 #41FFEF

analogous

#FF41B0 #FF4151 #FF9041

triadic

#FF4151 #51FF41 #4151FF

tetradic

#FF4151 #B0FF41 #41FFEF #9041FF

square

#FF4151 #B0FF41 #41FFEF #9041FF

split-complementary

#FF4151 #41FF90 #41B0FF

monochromatic

#C60011 #FF0419 #FF4151 #FF7E89 #FFBBC1

Accessibility & contrast

On white

3.43

#FF4151 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#FF4151 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF4151

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF4151	#FFFFFF	#000000	##000000
##FF4151	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#797150

Deuteranopia (green-blind)

#A8994B

Tritanopia (blue-blind)

#FF0049

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #ff4151;
/* rgb */ color: rgb(255, 65, 81);
/* oklch */ color: oklch(66.3% 0.224 21.7);

Tailwind

colors: {
  custom: {
    50: '#ff8482',
    500: '#ff4151',
    950: '#000000',
  },
}

SCSS

$custom: #ff4151;
$custom-light: #ff8482;
$custom-dark: #000000;

JSON

{
  "hex": "#ff4151",
  "rgb": {
    "r": 255,
    "g": 65,
    "b": 81
  },
  "hsl": {
    "h": 354.947,
    "s": 100,
    "l": 62.745
  },
  "oklch": {
    "l": 0.66285,
    "c": 0.22432,
    "h": 21.7
  },
  "luminance": 0.25635
}

Semantic roles & 50–950 ramp

primary

#FF4151

secondary

#ACF0EA

accent

#E6D200

background

#FFF8F7

surface

#FFF0EE

border

#D7CBC9

text

#1A0C0A

muted

#877D7C

Preview Lab

Preview with #FF4151

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →